947144013 has 8 divisors (see below), whose sum is σ = 1264020576. Its totient is φ = 630848400.

The previous prime is 947143999. The next prime is 947144039. The reversal of 947144013 is 310441749.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 947144013 - 2⁴ = 947143997 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (947144213) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 141418 + ... + 147963.

It is an arithmetic number, because the mean of its divisors is an integer number (158002572).

Almost surely, 2^947144013 is an apocalyptic number.

It is an amenable number.

947144013 is a deficient number, since it is larger than the sum of its proper divisors (316876563).

947144013 is a wasteful number, since it uses less digits than its factorization.

947144013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 290475.

The product of its (nonzero) digits is 12096, while the sum is 33.

The square root of 947144013 is about 30775.7049147538. The cubic root of 947144013 is about 982.0614709951.

The spelling of 947144013 in words is "nine hundred forty-seven million, one hundred forty-four thousand, thirteen".